Analysis
- max time kernel
151s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
15/01/2023, 07:07
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 206KB
- Sample230115-hxmswsbe64
- SHA256 c6b508e6d0bcbe444d7e09baa9d338c9c4b58db719e7a6fe1b3288a893cd6191
- MD5 6ae5b2730928ba7e072e671db052bae4
- SHA1 a8a671dcb06dcb8bebdd8f72e7d33f17622ae50e
- SHA512 0abcb54ed0742d1f1e803df0444e0c78f6145eb26070c93f02b2ffaa57c5bce87bad66f733c5ceb8475909a49ae698726c34ad3bb782b661d477923478c36b30
- SSDEEP 3072:fXte3+olo+fFGr5uSONAPmOqyzzuvXBxFXAfxxCKVWapb:Pvolo+cPPRup26Qp
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/2252-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1800-135-0x0000000002C50000-0x0000000002C59000-memory.dmp family_smokeloader behavioral2/memory/2252-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2252-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1800 set thread context of 2252 1800 file.exe 79 - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2252 file.exe 2252 file.exe 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found 2376 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2376 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2252 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1800 wrote to memory of 2252 1800 file.exe 79 PID 1800 wrote to memory of 2252 1800 file.exe 79 PID 1800 wrote to memory of 2252 1800 file.exe 79 PID 1800 wrote to memory of 2252 1800 file.exe 79 PID 1800 wrote to memory of 2252 1800 file.exe 79 PID 1800 wrote to memory of 2252 1800 file.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2252
-